Anglo-Italian aerospace company Leonardo expects to trial the tlmNexus DaRT system with British Merlin Mk 2 helicopters.

From May 2020, the tlmNexus’ DaRT application will be in trial with the UK’s fleet of Merlin Mark 2 helicopters, further to a contract with multinational aerospace company Leonardo.

Brighton-based tlmNexus is one of the country’s leading tech firms and in 2019 launched the service with Defence Equipment & Support (DE&S), to provide Typhoon jets with the DaRT system.

“DaRT enables an entire system’s damage and repair to be recorded and tracked in a single location by multiple users. The Leonardo contract permits the application to be used by both the RN aircrew who fly the helicopter and also the civilian and military maintainers who keep it in the air. Using the application in this ‘end-to-end’ manner, the intention is to ensure that all damage and subsequent repairs are recorded in one place, throughout the system’s lifetime; providing crucial information for making decisions today – as well as into the future.

DaRT is configurable to suit the different platform systems and processes used by various operators. Users are able accurately to record damage and repair on pictorial views, and can include a variety of related data. DaRT is also able to support the progression of the repair process.” 

For Merlin the tlmNexus team have included existing forms used by the helicopter crew and support team, to request technical assistance into the DaRT application, helping to further improve the efficiency of the damage and repair process.

Tony Harris, Commercial Director at tlmNexus said in a release:

“We are delighted to reach agreement with Leonardo and that the Merlin is to use the DaRT application. This new contract for use with a medium lift military helicopter shows the versatility of this adapted ‘off the shelf’ software, and we look forward to maximising its potential for this very different type of aircraft.”

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One of these flew over my house last week, they are much bigger than I thought they were. Impressive sight.

Andy Poulton

They have a prototype in the Helicopter Museum in Weston super Mare and, like you, I was quite taken by its size – which is somewhere between a Puma and a Chinook.

Daniele Mandelli

Yes, that was my thought too when I used to go to see them at Boscombe Down.


Magical. A system that allows users to access a program to see what status the helicopter is in and what needs doing to it. Utter bleeding edge technology right here….

David Barry

Railways have been using it for years. What is cutting edge about it?




Very much so.